Pima County, Arizona Water Systems

Pima County, Arizona

236 community water systems on record — 143 active, 93 inactive.

Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Arizona’s official records. Always confirm current status with Arizona before making decisions based on this information.

Community water systems in Pima County, Arizona

System name	City	Population served	Status
49ER WATER COMPANY	RANCHO SANTE FE	1,050	Inactive
ACACIA GARDENS MOBILE HO	TUCSON	450	Inactive
ADOBE MANOR MOBILE HOME P	TUCSON	100	Inactive
ADOC TUCSON	TUCSON	4,500	Active
AJO DWID	AJO	405	Active
AJO IMPROVEMENT COMPANY	AJO	2,654	Active
ANWAY MANVILLE WATER COMPANY	TUCSON	576	Active
ARIVACA TOWNSITE WATER COOP	ARIVACA	150	Active
ARIZONA MOTEL	TUCSON	100	Inactive
ARIZONA WATER CO - AJO	PHOENIX	2,100	Active
AVRA WATER COOP INC	TUCSON	6,685	Active
BARRENT BIESEMEYER WATER SYS	TUCSON	30	Inactive
BELLA CAPRI MHP	TUCSON	342	Active
BERMUDA GARDENS TRAILER PARK	TUCSON	0	Inactive
BOYE CLARK TRAILER PARK	TUCSON	1	Inactive
CACTUS COUNTRY RV RESORT	TUCSON	420	Active
CACTUS-STELLAR LIMITED	TUCSON	0	Inactive
CAMMIES FOOTHILLS VISTA MHC	TUCSON	62	Active
CAMPBELL ESTATES MHP	TUCSON	450	Active
CAROLANNE DRIVE HOA	TUCSON	72	Active
CASITAS DE CASTILIAN	TUCSON	167	Active
CATALINA COUNTRY ESTATES	TUCSON	77	Active
CATALINA MOUNTAIN SCHOOL	TUCSON	1	Inactive
CATALINA VILLAGE	TUCSON	107	Active
CATALINA VISTA MHP	TUCSON	100	Inactive
COLONIAL MOBILE HOME PARK	TUCSON	0	Inactive
COMMUNITY WC OF GREEN VALLEY	GREEN VALLEY	22,085	Active
CORONADO FOREST DRIVE WATER COOP	TUCSON	30	Active
CRESCENT MANOR MHP	TUCSON	200	Active
CROSSROADS PARK MHP	TUCSON	100	Active
CS LOS CERROS WATER COMPANY INC	DES PERES	2,613	Active
DECKER COMMUNITY WC	TUCSON	0	Inactive
DEEP WELL COOP	TUCSON	17	Inactive
DESERT PARADISE MHP LLC	AMADO	90	Active
DESERT SHORES RV MHP	TUCSON	220	Active
DESERT WATER COOP	TUCSON	150	Active
DESERT WILLOW MHP	TUCSON	0	Inactive
DIAMOND GROVE MOBILE HOME ESTATES	TUCSON	385	Active
DOME WELL COOP	TUCSON	0	Inactive
DOWNTOWN MHP	TRABUCO CANYON	0	Inactive
EL PAIS MOTEL & TRAILER CT SYS	TUCSON	52	Inactive
EL PASO NATL GAS-GILA COMP STA	TUCSON	45	Inactive
EMERY PARK MHP	TUCSON	0	Inactive
FAR HORIZONS EAST MHP	TUCSON	870	Active
FAR HORIZONS MHP	TUCSON	258	Active
FEDERAL CORRECTIONAL INST	TUCSON	350	Active
FLOWING WELLS IRRIGATION DISTRICT	TUCSON	16,000	Active
FOOTHILLS MOBILE HM PARK	TUCSON	150	Inactive
FOOTHILLS WATER CO PUSCH RIDGE	TUCSON	50	Inactive
FREEWAY TRAILER COURT	TUCSON	42	Inactive
GARIGANS GULCH WATER COOP	VAIL	35	Active
GATOR WATER COMPANY	TUCSON	29	Active
GEM OF THE DESERT TRAILER PARK	TUCSON	1	Inactive
GREEN VALLEY DWID	SAHUARITA	8,687	Active
GW FARMERS WATER CO - CONTINENTAL	MARICOPA	5,592	Active
GW FARMERS WATER CO - SAHUARITA	MARICOPA	492	Active
GW FARMERS WATER CO - SAHUARITA HIGHLAND	MARICOPA	492	Active
GW FARMERS WATER CO - SANTA RITA SPRINGS	MARICOPA	3,990	Active
GW OCOTILLO WATER - SILVERBELL WEST	MARICOPA	263	Active
GW OCOTILLO WATER - THUNDERHEAD	MARICOPA	174	Active
GW OCOTILLO WATER - CATALINA	MARICOPA	1,168	Active
GW OCOTILLO WATER - DIAMOND BELL	MARICOPA	706	Active
GW OCOTILLO WATER - RANCHO DEL SOL LINDO	MARICOPA	3,128	Active
GW OCOTILLO WATER - SIERRITA FOOTHILLS	MARICOPA	84	Active
GW OCOTILLO WATER - VALLEY VIEW ACRES	MARICOPA	496	Active
GW SAGUARO DIST WATER CO - AMBER ANN	MARICOPA	108	Active
GW SAGUARO DIST WATER CO - LAS QUINTAS	MARICOPA	3,720	Active
GW SAGUARO DIST WATER CO - LYN LEE	MARICOPA	114	Active
GW SAGUARO DIST WATER CO - MIRABELL	MARICOPA	180	Active
GW SAGUARO DIST WATER CO - RINCON	PHOENIX	232	Active
GW SAGUARO DIST WATER CO - TALA WAY	MARICOPA	255	Active
GW SAGUARO DIST WATER CO - TORTOLITA	MARICOPA	69	Active
HALCYON ACRES 2	TUCSON	164	Active
HALCYON ACRES WATER USERS ASSOCIATION	TUCSON	215	Active
HELMET PEAK WATER RES ASN	SAHUARITA	250	Inactive
HERB,KEN TRAILER COURT	GREEN VALLEY	1	Inactive
HIGH CHAPARRAL WATER COOP	TUCSON	72	Active
HOMEOWNERS COOP	TUCSON	20	Inactive
KAHLUA WELL COOP	VAIL	99	Active
KINO MOBILE HOME PARK	TUCSON	56	Inactive
KLAFTER WELL COOP	TUCSON	45	Active
LA CASITA WATER COMPANY 1	TUCSON	174	Active
LA CASITA WATER COMPANY 2	TUCSON	261	Active
LA CASITA WATER COMPANY 3	TUCSON	605	Active
LA CHOLLA AIRPARK	ORO VALLEY	250	Active
LA SIERRA TRAILER PARK	TUCSON	65	Inactive
LAGO DEL ORO WATER CO	TUCSON	4,170	Inactive
LAKEWOOD ESTATES WATER COMPANY	TUCSON	722	Active
LAZY A MOBILE HOME PARK	TUCSON	32	Inactive
LAZY ACRES MHP	TUCSON	75	Active
LAZY C WATER SERVICE	TUCSON	359	Active
LIQUID ROCK WATER ASSOCIATION	VAIL	21	Inactive
LOGAN HILLS WATER CO	TUCSON	102	Inactive
LOS ARBOLES MOBILE HOME PARK	TUCSON	303	Active
LOS RANCHITOS WELL	TUCSON	119	Inactive
MARANA CORRECTIONAL FACILITY	PHOENIX	7	Inactive
MARANA DWID - CULVER	MARANA	709	Active
MARANA DWID - DERRINGER	MARANA	1,950	Active
MARANA DWID-HUNTER/IM	MARANA	218	Inactive
MARANA MUNICIPAL	TUCSON	630	Inactive
MARANA MUNICIPAL - AIRLINE LAMBERT	TUCSON	4,568	Active
MARANA MUNICIPAL - HARTMAN VISTAS	TUCSON	5,248	Active
MARANA MUNICIPAL - MARANA	MARANA	15,162	Active
MARANA MUNICIPAL - PALO VERDE	TUCSON	118	Active
MARANA MUNICIPAL - PICTURE ROCKS	TUCSON	5,278	Active
MARANA MUNICIPAL - SILVERBELL GATEWAY	MARANA	750	Active
MARANA MUNICIPAL - TORTOLITA MOUNTAIN	MARANA	200	Active
MARANA MUNICIPAL- LA PUERTA	TUCSON	226	Inactive
MARANA MUNICIPAL-CORTARO	TUCSON	0	Inactive
MESALAND WATER COMPANY	TUCSON	294	Active
MESQUITE WELL GROUP	TUCSON	0	Inactive
METRO WATER CO SYS 1 CASA ADO#	TUCSON	1	Inactive
METRO WATER CO SYS 13 ORO VALL	TUCSON	1	Inactive
METRO WATER CO SYS 14 SILVERAD	TUCSON	1	Inactive
METRO WATER CO SYS 15 LINDA VI	TUCSON	1	Inactive
METRO WATER CO SYS 2 ORACLE HT	TUCSON	1	Inactive
METRO WATER CO SYS 3 ORNG GROV	TUCSON	1	Inactive
METRO WATER CO SYS 4 CATALINA	TUCSON	1	Inactive
METRO WATER CO SYS 6 N. HILLS	TUCSON	1	Inactive
METRO WATER CO SYS 7 N HILLS 1	TUCSON	1	Inactive
METRO WATER CO SYS 8 CRESTA PV	TUCSON	1	Inactive
METRO WATER CO SYS15 N HILLS #	TUCSON	1	Inactive
METRO WATER CO-CASAS ADOBES #3	TUCSON	1	Inactive
METROPOLITAN DWID	TUCSON	45,570	Active
METROPOLITAN DWID - DIABLO VILLAGE	TUCSON	5,542	Active
METROPOLITAN DWID - E&T SYSTEM	TUCSON	880	Active
METROPOLITAN DWID - HUB	TUCSON	4,252	Active
METROPOLITAN DWID - LAZY B	TUCSON	77	Active
MIDVALE FARMS WATER COMPA	BAD ADDRESS	23	Inactive
MILE MARKER 54 WC WATER WELL	GREEN VALLEY	0	Inactive
MISSION PALMS APARTMENTS	TUCSON	720	Active
MOBILE HOME PROPERTIES	TUCSON	114	Active
MOUNT FAGAN WATER CO-OP	VAIL	0	Inactive
MOUNTAINAIRE WATER CO.	TUCSON	30	Inactive
MT LEMMON DWID	TUCSON	290	Active
MT LEMMON WATER COOP	TUCSON	100	Inactive
NEW PUEBLO WATER COMPANY	GREEN VALLEY	850	Inactive
NORTH LA CHOLLA MHP	TUCSON	150	Active
ORACLE NORTH HOME OWNERS ASSOC	TUCSON	0	Inactive
ORCHARD VALLEY MOBILE HOME PARK	TUCSON	130	Active
ORGAN PIPE NM HEADQUARTERS	AJO	755	Active
ORO VALLEY WATER COUNTRYSIDE	ORO VALLEY	4,534	Active
ORO VALLEY WATER UTILITY	ORO VALLEY	42,316	Active
ORO VALLEY WATER-R V DIVI	ORO VALLEY	11,138	Inactive
PALM VISTA ESTATES MHP	TUCSON	0	Inactive
PANTANO WATER COOP	VAIL	156	Active
PARK MANOR MOBILE HOME PK	TUCSON	180	Inactive
PARK PLACE APARTMENTS	TUCSON	0	Inactive
PICO VISTA COMMUNITY WELL	TUCSON	49	Active
PIMA COUNTY PHYSICAL PLANT	TUCSON	1	Inactive
PIMA RAMADA MHP	TUCSON	0	Inactive
PITA WATER COMPANY	AMADO	54	Active
POCKETKNIFE WATER COOP	VAIL	65	Active
QUAIL CREEK WATER COMPANY	TUCSON	6,812	Active
RAINDANCE WATER COOP	TUCSON	148	Active
RANCHO DEL CONEJO COMM WATER COOP	TUCSON	900	Active
RANCHO LOS AMIGOS MHP	TUCSON	0	Inactive
RANCHO SIERRITA WELL ASSOC	TUCSON	55	Active
RANCHO TIERRA BLANCA POA	MARANA	126	Active
RANCHWOOD COMMUNITY	PHOENIX	225	Active
RAY WATER COMPANY INC	TUCSON	4,495	Active
RILLITO WATER USERS ASSOC	RILLITO	165	Active
RINCON COUNTRY EAST RV PARK	TUCSON	912	Active
RINCON MESA LANDOWNERS	VAIL	75	Active
RINCON RANCH ESTATES WATER CO.	TUCSON	375	Inactive
RIO MERCADO WATER	TUCSON	266	Active
RIO VIEJO WATER	TUCSON	272	Active
RIO VISTA MOBILE HOME PARK	TUCSON	217	Active
RIVERSIDE APARTMENTS	TUCSON	75	Active
SAGUARO WATER CO.	TUCSON	1	Inactive
SAGUARO WATER COMPANY	TUCSON	3,243	Active
SAHUARITA VILLAGE WATER COMPANY	SAHUARITA	93	Active
SAHUARITA WATER COMPANY	SAHUARITA	18,178	Active
SAMALAYUCA IMPROVEMENT ASSOC	TUCSON	150	Active
SANDARIO WATER COMPANY	GLENDALE	870	Active
SANDARIO WELL 3	TUCSON	24	Inactive
SANDIA WATER COMPANY	TUCSON	121	Inactive
SANTA RITA HEIGHTS MHP	GARDEN CITY	50	Active
SASABE BORDER VILLAGE	SASABE	42	Active
SHAE WATER COMPANY	AMADO	54	Active
SHANTOS WATER WELL	TUCSON	0	Inactive
SHILOH WATER COMPANY	SAHUARITA	309	Active
SIERRA COURT MHC LLC	TUCSON	51	Active
SIERRITA MOUNTAIN WATER COOP	TUCSON	258	Active
SIETE CASAS JOINT VENTURE	TUCSON	25	Active
SILVER CHOLLA LLC	CHANDLER	168	Active
SILVER SHADOWS WATER CO	TUCSON	138	Inactive
SILVER SHADOWS WATER COMPANY	TUCSON	3,245	Inactive
SLEEPY HOLLOW MHP	TUCSON	0	Inactive
SNYDER HILL WELL USERS	TUCSON	33	Inactive
SOARING HEIGHTS COMMUNITIES	TUCSON	0	Inactive
SPANISH TRAIL MOTEL	TUCSON	0	Inactive
SPANISH TRAIL WATER COMPANY	TUCSON	3,822	Active
SU CASA MHP	TUCSON	150	Inactive
SUMMIT WATER COMPANY	GREEN VALLEY	22	Inactive
SUMMIT WATER COOP	TUCSON	53	Active
SUPERSTITION WATER COOP	TUCSON	45	Active
TANGERINE WATER GROUP	MARANA	14	Inactive
THIM UTILITY COMPANY	TUCSON	100	Inactive
THIM UTILITY COMPANY	TUCSON	35	Inactive
THIM UTILITY COMPANY	TUCSON	310	Active
THIM UTILITY COMPANY - PARKIN	TUCSON	69	Active
THIM UTILITY COMPANY - RANCHO VISTA	TUCSON	105	Active
THIM UTILITY COMPANY - WELL 9	TUCSON	254	Active
THIM UTILITY COMPANY 2	TUCSON	445	Active
THIM UTILITY WELL #1	TUCSON	45	Inactive
THIM WATER COMPANY 2	TUCSON	247	Active
THREE POINTS	TUCSON	11	Inactive
TIERRA LINDA HOA WATER COMPANY	TUCSON	266	Active
TORTOLITA WELLS INC	TUCSON	1	Inactive
TOWN & COUNTRY ESTATES	FARMINGTON HILLS	960	Active
TOWN OF MARANA - PICTURE ROCK 2	TUCSON	45	Inactive
TRAILS WEST MHP	TUCSON	500	Active
TUCSON CITY OF	TUCSON	732,906	Active
TUCSON MEADOWS M H PARK	TUCSON	650	Inactive
TUCSON WATER - RINCON RANCH ESTATES	TUCSON	0	Inactive
TUCSON WATER CORONA DE TUCSON	TUCSON	10,217	Active
TUCSON WATER DEPT	TUCSON	786	Inactive
TUCSON WATER DEPT	TUCSON	583	Inactive
USAF DAVIS MONTHAN AFB	DAVIS-MONTHAN AFB	18,640	Active
VAIL WATER COMPANY	VAIL	17,500	Active
VAL VERDE INC	GREEN VALLEY	23	Inactive
VALLE VERDE DEL NORTE	TUCSON	300	Active
VAN BUREN WELL COOP	TUCSON	24	Inactive
VIA VERDE WEST MHP	TUCSON	156	Active
VISTA DEL NORTE MHP	TUCSON	554	Active
VOYAGER WATER COMPANY	TUCSON	3,209	Active
WELLS FARGO WATER COMPANY	TUCSON	83	Active
WHY DWID	AJO	400	Active
WILDCAT ONE WELL COOP	VAIL	52	Active
WILDFLOWER WATER COOP	TUCSON	157	Active
WILMOT WATER USERS GROUP	TUCSON	30	Active
WINTERHAVEN WATER DEVELOPMENT	TUCSON	685	Active
WORDEN WATER COMPANY	TWIN LAKE	60	Active
ZIMMERMAN ENTERPRISES	MT. LEMMON	200	Inactive
ZOO STAGE WATER CO-OP, INC	TUCSON	23	Inactive